We'll walk you through how to make a Roblox game by creating a Super Mario Bros.-style side-scrolling title. By following this tutorial, you'll create your own experiences with ease.

But that's not the case for Lithuanian 17-year-old Laimonas Mileska, or Loleris as many know him. Mileska has been creating video games through a platform called Roblox for about five years under ...